✦ LIBER ✦
Determination of Hydrogen Peroxide in Rainwater by Using a Polyaniline Film and Platinum Particles Co-Modified Carbon Fiber Microelectrode
✍ Scribed by Yu Wang; Junhua Huang; Chunguang Zhang; Jingbao Wei; Xingyao Zhou
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 62 KB
- Volume
- 10
- Category
- Article
- ISSN
- 1040-0397
No coin nor oath required. For personal study only.
✦ Synopsis
Four types of carbon fiber microelctrodes modified with polyaniline (PAn) and platinum particles (Pt) were fabricated to determine H 2 O 2 at þ 0.60 V (vs. SCE). The sensitivity, stability and selectivity of different electrodes were compared. The electrode modified with a sandwich film of PAn-Pt-PAn offered the best result. The linear range was 4.0 × 10 ¹7 -2.4 × 10 ¹4 M with a detection limit of 1.0 × 10 ¹7 M. The relative standard deviation (RSD) for 10 mM H 2 O 2 was 1.9 % (n ¼7). The electrode was used to determine the H 2 O 2 in the rainwater.